package index.oop.lesson;
//回去要学习  写代码
public class insatnceS {
    public static void main(String[] args) {
        //创造了一个学生类的对象
        Student stu=new Student();
        stu.name="doraemon";
        stu.age=-99;
        stu.id=100;
        System.out.println(stu.name);
        System.out.println(stu.age);
        System.out.println(stu.id);
        stu.study();
    }
}
